1 | <?php |
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2 | # -- BEGIN LICENSE BLOCK ---------------------------------- |
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3 | # |
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4 | # This file is part of Piwigo. |
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5 | # |
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6 | # Copyright (c) 2003-2008 Olivier Meunier and contributors |
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7 | # Licensed under the GPL version 2.0 license. |
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8 | # See LICENSE file or |
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9 | # http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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10 | # |
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11 | # -- END LICENSE BLOCK ------------------------------------ |
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12 | |
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13 | // +-----------------------------------------------------------------------+ |
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14 | // | Configuration | |
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15 | // +-----------------------------------------------------------------------+ |
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16 | |
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17 | define('DC_LOADER_SERVICE','http://piwigo.org/download/netinstall/'); |
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18 | define('DC_LOADER_ARCHIVE','http://piwigo.org/download/dlcounter.php?code=latest'); |
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19 | |
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20 | $available_languages = array( |
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21 | 'en_UK' => 'English [UK]', |
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22 | 'fr_FR' => 'Français [FR]', |
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23 | 'es_ES' => 'Español [ES]', |
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24 | 'it_IT' => 'Italiano [IT]', |
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25 | 'de_DE' => 'Deutch [DE]', |
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26 | 'pl_PL' => 'Polski [PL]', |
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27 | 'zh_CN' => '简体中文 [CN]', |
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28 | // 'nl_NL' => 'Dutch [NL]' /* Not translated yet */ |
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29 | ); |
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30 | |
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31 | // +-----------------------------------------------------------------------+ |
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32 | |
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33 | error_reporting(E_ALL & ~E_NOTICE); |
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34 | |
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35 | getLanguage(); |
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36 | |
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37 | $step = !empty($_REQUEST['step']) ? (integer)$_REQUEST['step'] : 1; |
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38 | $got_php5 = version_compare(PHP_VERSION, '5', '>='); |
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39 | if (!$got_php5 && $step != 2) |
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40 | { |
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41 | $step = 1; |
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42 | } |
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43 | |
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44 | function l10n($str) |
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45 | { |
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46 | global $lang; |
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47 | |
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48 | return isset($lang[$str]) ? $lang[$str] : $str; |
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49 | } |
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50 | |
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51 | function fetchRemote($src,&$dest,$step=0) |
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52 | { |
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53 | if ($step > 3) |
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54 | { |
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55 | return false; |
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56 | } |
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57 | |
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58 | // Try curl to read remote file |
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59 | if (function_exists('curl_init')) |
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60 | { |
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61 | $ch = @curl_init(); |
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62 | @curl_setopt($ch, CURLOPT_URL, $src); |
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63 | @curl_setopt($ch, CURLOPT_HEADER, 0); |
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64 | @curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); |
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65 | @curl_setopt($ch, CURLOPT_USERAGENT, 'Piwigo Net Install'); |
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66 | $content = @curl_exec($ch); |
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67 | @curl_close($ch); |
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68 | if ($content !== false) |
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69 | { |
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70 | write_dest($content, $dest); |
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71 | return true; |
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72 | } |
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73 | } |
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74 | |
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75 | // Try file_get_contents to read remote file |
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76 | if ((boolean)ini_get('allow_url_fopen')) |
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77 | { |
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78 | $content = @file_get_contents($src); |
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79 | if ($content !== false) |
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80 | { |
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81 | write_dest($content, $dest); |
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82 | return true; |
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83 | } |
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84 | } |
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85 | |
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86 | // Try fsockopen to read remote file |
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87 | $src = parse_url($src); |
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88 | $host = $src['host']; |
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89 | $path = $src['path']; |
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90 | |
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91 | if (($s = @fsockopen($host,80,$errno,$errstr,5)) === false) |
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92 | { |
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93 | return false; |
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94 | } |
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95 | |
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96 | fwrite($s, |
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97 | 'GET '.$path." HTTP/1.0\r\n" |
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98 | .'Host: '.$host."\r\n" |
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99 | ."User-Agent: Piwigo Net Install\r\n" |
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100 | ."Accept: text/xml,application/xml,application/xhtml+xml,text/html,text/plain,image/png,image/jpeg,image/gif,*/*\r\n" |
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101 | ."\r\n" |
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102 | ); |
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103 | |
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104 | $i = 0; |
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105 | $in_content = false; |
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106 | while (!feof($s)) |
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107 | { |
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108 | $line = fgets($s,4096); |
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109 | |
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110 | if (rtrim($line,"\r\n") == '' && !$in_content) |
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111 | { |
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112 | $in_content = true; |
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113 | $i++; |
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114 | continue; |
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115 | } |
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116 | if ($i == 0) |
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117 | { |
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118 | if (!preg_match('/HTTP\/(\\d\\.\\d)\\s*(\\d+)\\s*(.*)/',rtrim($line,"\r\n"), $m)) |
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119 | { |
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120 | fclose($s); |
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121 | return false; |
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122 | } |
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123 | $status = (integer) $m[2]; |
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124 | if ($status < 200 || $status >= 400) |
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125 | { |
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126 | fclose($s); |
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127 | return false; |
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128 | } |
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129 | } |
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130 | if (!$in_content) |
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131 | { |
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132 | if (preg_match('/Location:\s+?(.+)$/',rtrim($line,"\r\n"),$m)) |
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133 | { |
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134 | fclose($s); |
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135 | return fetchRemote(trim($m[1]),$dest,$step+1); |
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136 | } |
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137 | $i++; |
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138 | continue; |
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139 | } |
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140 | write_dest($line, $dest); |
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141 | $i++; |
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142 | } |
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143 | fclose($s); |
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144 | return true; |
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145 | } |
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146 | |
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147 | function write_dest($str, &$dest) |
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148 | { |
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149 | if (is_resource($dest)) |
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150 | { |
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151 | fwrite($dest, $str); |
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152 | } |
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153 | else |
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154 | { |
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155 | $dest .= $str; |
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156 | } |
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157 | } |
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158 | |
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159 | function getLanguage() |
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160 | { |
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161 | global $lang, $available_languages; |
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162 | |
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163 | if (isset($_GET['language']) and isset($available_languages[$_GET['language']])) |
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164 | { |
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165 | $language = $_GET['language']; |
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166 | } |
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167 | else |
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168 | { |
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169 | $language = 'en_UK'; |
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170 | // Try to get browser language |
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171 | foreach ($available_languages as $language_code => $language_name) |
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172 | { |
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173 | if (substr($language_code,0,2) == @substr($_SERVER["HTTP_ACCEPT_LANGUAGE"],0,2)) |
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174 | { |
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175 | $language = $language_code; |
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176 | break; |
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177 | } |
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178 | } |
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179 | } |
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180 | // Retrieve traductions |
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181 | $lang = array(); |
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182 | if (fetchRemote(DC_LOADER_SERVICE.'language/'.$language.'/loader.lang.txt', $code)) |
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183 | { |
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184 | @eval($code); |
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185 | define('DC_LOADER_LANG', $language); |
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186 | } |
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187 | } |
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188 | |
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189 | function getLocation() |
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190 | { |
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191 | $server_name = explode(':',$_SERVER['HTTP_HOST']); |
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192 | $server_name = $server_name[0]; |
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193 | if ($_SERVER['SERVER_PORT'] == '443') |
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194 | { |
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195 | $scheme = 'https'; |
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196 | $port = ''; |
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197 | } |
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198 | elseif (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') |
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199 | { |
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200 | $scheme = 'https'; |
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201 | $port = ($_SERVER['SERVER_PORT'] != '443') ? ':'.$_SERVER['SERVER_PORT'] : ''; |
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202 | } |
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203 | else |
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204 | { |
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205 | $scheme = 'http'; |
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206 | $port = ($_SERVER['SERVER_PORT'] != '80') ? ':'.$_SERVER['SERVER_PORT'] : ''; |
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207 | } |
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208 | $loc = preg_replace('#/$#','',str_replace('\\', '/', dirname($_SERVER['SCRIPT_NAME']))); |
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209 | |
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210 | return $scheme.'://'.$server_name.$port.$loc.'/'; |
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211 | } |
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212 | |
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213 | function openPage() |
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214 | { |
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215 | header('Content-Type: text/html; charset=UTF-8'); |
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216 | echo |
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217 | '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" '. |
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218 | ' "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'."\n". |
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219 | '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="'.substr(DC_LOADER_LANG,0,2).'" lang="'.substr(DC_LOADER_LANG,0,2).'">'."\n". |
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220 | "<head>\n". |
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221 | ' <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />'."\n". |
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222 | ' <title>'.l10n('Piwigo NetInstall').'</title>'."\n". |
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223 | ' <meta name="ROBOTS" content="NOARCHIVE,NOINDEX,NOFOLLOW" />'."\n". |
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224 | ' <link rel="stylesheet" type="text/css" media="screen" href="'.DC_LOADER_SERVICE.'loader.css" />'."\n". |
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225 | '</head>'."\n". |
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226 | '<body>'."\n". |
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227 | '<div id="headbranch"></div>'."\n". |
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228 | '<div id="theHeader"></div>'."\n". |
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229 | '<div id="content">'."\n". |
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230 | '<h2>'.l10n('Piwigo NetInstall').'</h2>'."\n"; |
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231 | } |
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232 | |
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233 | function closePage() |
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234 | { |
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235 | echo |
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236 | '</div>'."\n". |
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237 | '<div id="footer">'."\n". |
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238 | l10n('This loader was initialy coded for <a href="http://www.dotclear.net" title="Dotclear">Dotclear</a>. Thanks!')."\n". |
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239 | '</div>'."\n". |
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240 | '</body>'."\n". |
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241 | '</html>'; |
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242 | } |
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243 | |
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244 | function initPHP5() |
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245 | { |
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246 | $htaccess = dirname(__FILE__).'/.htaccess'; |
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247 | if (file_exists($htaccess)) { |
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248 | if (!is_readable($htaccess) || !is_writable($htaccess)) |
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249 | { |
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250 | return false; |
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251 | } |
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252 | } |
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253 | $rawdatas = ''; |
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254 | if (!fetchRemote(DC_LOADER_SERVICE.'hosting.txt',$rawdatas)) |
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255 | { |
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256 | return false; |
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257 | } |
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258 | $rawdatas = explode("\n",$rawdatas); |
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259 | if (!($my_hostname = @gethostbyaddr($_SERVER['SERVER_ADDR']))) |
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260 | { |
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261 | return false; |
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262 | } |
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263 | $found = false; |
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264 | foreach ($rawdatas as $line) { |
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265 | list($name,$hostname,$rule) = explode('|',trim($line)); |
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266 | if (preg_match('!'.preg_quote($hostname).'$!',$my_hostname)) |
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267 | { |
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268 | $found = $rule; |
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269 | break; |
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270 | } |
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271 | } |
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272 | if ($found) { |
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273 | if (false !== ($fh = @fopen($htaccess,"ab"))) |
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274 | { |
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275 | fwrite($fh,"\n".$found); |
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276 | fclose($fh); |
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277 | return true; |
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278 | } |
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279 | } |
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280 | return false; |
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281 | } |
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282 | |
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283 | function cleanFiles() |
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284 | { |
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285 | @unlink(dirname(__FILE__).'/pwg_files.php'); |
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286 | @unlink(dirname(__FILE__).'/pwg_unzip.php'); |
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287 | @unlink(dirname(__FILE__).'/piwigo-install.zip'); |
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288 | } |
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289 | |
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290 | function grabFiles() |
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291 | { |
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292 | $failed = true; |
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293 | $lib_files = @fopen(dirname(__FILE__).'/pwg_files.php','wb'); |
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294 | $lib_unzip = @fopen(dirname(__FILE__).'/pwg_unzip.php','wb'); |
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295 | $dc_zip = @fopen(dirname(__FILE__).'/piwigo-install.zip','wb'); |
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296 | |
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297 | if (!$lib_files || !$lib_unzip || !$dc_zip) |
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298 | { |
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299 | return false; |
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300 | } |
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301 | |
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302 | if (fetchRemote(DC_LOADER_SERVICE.'lib.files.txt',$lib_files)) |
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303 | { |
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304 | if (fetchRemote(DC_LOADER_SERVICE.'class.unzip.txt',$lib_unzip)) |
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305 | { |
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306 | if (fetchRemote(DC_LOADER_ARCHIVE.'',$dc_zip)) |
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307 | { |
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308 | $failed = false; |
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309 | } |
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310 | } |
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311 | } |
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312 | |
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313 | fclose($lib_files); |
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314 | fclose($lib_unzip); |
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315 | fclose($dc_zip); |
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316 | |
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317 | if ($failed) |
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318 | { |
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319 | cleanFiles(); |
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320 | return false; |
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321 | } |
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322 | return true; |
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323 | } |
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324 | |
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325 | function writeMessage($level,$title,$lines) |
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326 | { |
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327 | if (empty($lines)) |
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328 | { |
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329 | return; |
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330 | } |
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331 | |
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332 | echo |
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333 | '<div class="msg '.$level.'">'."\n". |
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334 | '<h3>'.$title.'</h3>'."\n". |
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335 | '<p>'."\n"; |
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336 | foreach ($lines as $line) |
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337 | { |
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338 | echo $line.'<br />'."\n"; |
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339 | } |
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340 | echo '</p></div>'."\n"; |
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341 | } |
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342 | |
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343 | function nextAction($label,$step,$more='') |
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344 | { |
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345 | echo |
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346 | '<form action="'.$_SERVER['SCRIPT_NAME'].'?language='.DC_LOADER_LANG.'" method="post">'."\n". |
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347 | $more."\n". |
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348 | '<p class="button"><input type="hidden" name="step" value="'.$step.'" />'."\n". |
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349 | '<input type="hidden" name="lang" value="'.DC_LOADER_LANG.'" />'."\n". |
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350 | '<input type="submit" name="submit" value="'.$label.'"/>'."\n". |
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351 | '</p></form>'."\n"; |
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352 | } |
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353 | |
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354 | |
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355 | if (!defined('DC_LOADER_LANG')) |
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356 | { |
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357 | // No traduction for this part because can't fetch! |
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358 | openPage(); |
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359 | echo |
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360 | '<h2>Piwigo NetInstall</h2>'."\n"; |
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361 | writeMessage('warning','Damnit!', array( |
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362 | 'Due to restrictions in your PHP configuration, NetInstall cannot get its job done.', |
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363 | 'Please see Piwigo documentation to perform a normal installation.', |
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364 | 'Really sorry for the inconvenience.' |
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365 | )); |
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366 | closePage(); |
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367 | exit; |
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368 | } |
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369 | |
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370 | switch ($step) |
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371 | { |
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372 | case 1 : |
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373 | { |
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374 | openPage(); |
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375 | echo '<h3>'.l10n('Welcome to NetInstall!').'</h3>'."\n"; |
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376 | |
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377 | // Show available languages |
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378 | asort($available_languages); |
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379 | echo |
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380 | '<p class="language">'.l10n('Language').' '."\n". |
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381 | '<select name="language" onchange="document.location = \''.basename(__FILE__).'?language=\'+this.options[this.selectedIndex].value;">'."\n"; |
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382 | foreach ($available_languages as $language_code => $language_name) |
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383 | { |
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384 | echo '<option label="'.$language_name.'" value="'.$language_code.'" '.($language_code == DC_LOADER_LANG ? 'selected="selected"' : '').'>'.$language_name.'</option>'."\n"; |
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385 | } |
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386 | echo '</select>'."\n".'</p>'."\n"; |
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387 | |
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388 | echo |
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389 | '<p>'.l10n('This tool is meant to retrieve the latest Piwigo archive and unzip it in your webspace.').'<br />'."\n". |
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390 | l10n('Right after then, you will be redirect to the Piwigo Setup Wizard.').'</p>'."\n"; |
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391 | |
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392 | if (!is_writable(dirname(__FILE__))) |
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393 | { |
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394 | writeMessage('warning',l10n('Write access is needed'), array( |
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395 | l10n('It looks like NetInstall wont be able to write in the current directory, and this is required to follow on.'), |
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396 | l10n('Please try to change the permissions to allow write access, then reload this page by hitting the Refresh button.') |
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397 | )); |
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398 | nextAction(l10n('Refresh'),1); |
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399 | } |
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400 | elseif (!$got_php5) |
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401 | { |
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402 | writeMessage('notice',l10n('PHP 5 is required'), array( |
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403 | sprintf(l10n('It appears your webhost is currently running PHP %s.'), PHP_VERSION), |
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404 | l10n('NetInstall may try to switch your configuration to PHP 5 by creating or modifying a .htaccess file.'), |
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405 | l10n('Note you can change your configuration by yourself and restart NetInstall after that.') |
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406 | )); |
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407 | nextAction(l10n('Try to configure PHP 5'),2); |
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408 | } |
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409 | else |
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410 | { |
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411 | nextAction(l10n('Retrieve and unzip Piwigo'),3, |
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412 | '<p class="destination"><label for="destination">'.l10n('Destination:').'</label> '. |
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413 | getLocation(). |
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414 | ' <input type="text" id="destination" name="destination" '. |
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415 | 'value="piwigo" size="15" maxlength="100" /></p>' |
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416 | ); |
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417 | } |
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418 | closePage(); |
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419 | break; |
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420 | } |
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421 | |
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422 | case 2 : |
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423 | { |
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424 | if (!empty($_POST['submit']) && !$got_php5) |
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425 | { |
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426 | $got_php5 = initPHP5(); |
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427 | } |
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428 | if ($got_php5) |
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429 | { |
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430 | header('Location: '.$_SERVER['SCRIPT_NAME'].'?step=1&language='.DC_LOADER_LANG); |
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431 | } |
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432 | else |
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433 | { |
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434 | openPage(); |
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435 | writeMessage('warning',l10n('Sorry!'),array( |
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436 | l10n('NetInstall was not able to configure PHP 5.'), |
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437 | l10n("You may referer to your hosting provider's support and see how you could switch to PHP 5 by yourself."), |
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438 | l10n('Hope to see you back soon.') |
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439 | )); |
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440 | closePage(); |
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441 | } |
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442 | break; |
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443 | } |
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444 | |
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445 | case 3 : |
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446 | { |
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447 | $msg = array(l10n('What are you doing here that way ?!')); |
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448 | $text = ''; |
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449 | if (!empty($_POST['submit']) && isset($_POST['destination'])) |
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450 | { |
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451 | $msg = array(); |
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452 | $dest = preg_replace('/[^A-Za-z0-9_\/-]/','',$_POST['destination']); |
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453 | $dest = preg_replace('#/+#','/',$dest); |
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454 | |
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455 | if (file_exists(dirname(__FILE__).'/./'.$dest.'/include/mysql.inc.php') || file_exists(dirname(__FILE__).'/./'.$dest.'/include/default_config.inc.php')) |
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456 | { |
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457 | $msg[] = l10n('It seems like a previous Piwigo installation is still sitting in that space.'); |
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458 | $msg[] = l10n('You need to rename or remove it before we can go further...'); |
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459 | } |
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460 | elseif (grabFiles()) |
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461 | { |
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462 | $lib_files = dirname(__FILE__).'/pwg_files.php'; |
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463 | $lib_unzip = dirname(__FILE__).'/pwg_unzip.php'; |
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464 | $dc_zip = dirname(__FILE__).'/piwigo-install.zip'; |
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465 | if (!file_exists($lib_files) || !file_exists($lib_unzip) || !file_exists($dc_zip)) |
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466 | { |
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467 | $msg[] = l10n('Needed files are not present.'); |
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468 | } |
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469 | |
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470 | require $lib_files; |
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471 | require $lib_unzip; |
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472 | $uz = new fileUnzip($dc_zip); |
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473 | $files = $uz->getList(); |
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474 | if (!is_array($files) or count($files) == 0) |
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475 | { |
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476 | $msg[] = l10n('Invalid zip file.'); |
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477 | } |
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478 | else |
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479 | { |
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480 | foreach ($files as $k => $v) |
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481 | { |
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482 | if ($v['is_dir']) |
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483 | { |
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484 | continue; |
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485 | } |
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486 | if (preg_match('#^[^/]*/_data#', $k)) |
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487 | { |
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488 | continue; |
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489 | } |
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490 | $t = preg_replace('#^[^/]*/#','./'.$dest.'/',$k); |
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491 | $uz->unzip($k,$t); |
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492 | } |
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493 | } |
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494 | $uz->close; |
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495 | unset($uz); |
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496 | |
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497 | if (!is_dir(dirname(__FILE__).'/'.$dest)) |
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498 | { |
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499 | $msg[] = l10n('It seems that the zip file was not extracted.'); |
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500 | } |
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501 | else |
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502 | { |
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503 | # Remove files and self-destruction |
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504 | cleanFiles(); |
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505 | unlink(__FILE__); |
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506 | |
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507 | $redir = preg_replace('#/+#','/',str_replace('\\', '/', dirname($_SERVER['SCRIPT_NAME'])).'/'.$dest.'/install.php'); |
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508 | |
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509 | $text = '<h3>'.l10n('Congratulations!').'</h3>' |
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510 | .'<p>'.l10n('Everything went fine. You are now ready to start the installation procedure.').'</p>' |
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511 | .'<form action="'.$redir.'" method="get"><p class="button">' |
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512 | . '<input type="hidden" name="language" value="'.DC_LOADER_LANG.'">' |
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513 | . '<input type="submit" value="'.l10n('Install Piwigo now').'" />' |
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514 | . '</p></form>'; |
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515 | } |
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516 | } |
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517 | else |
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518 | { |
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519 | $msg[] = l10n('An error occurred while grabbing the necessary files to go on.'); |
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520 | } |
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521 | } |
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522 | openPage(); |
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523 | writeMessage('warning',l10n('Something went wrong...'),$msg); |
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524 | echo $text; |
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525 | closePage(); |
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526 | break; |
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527 | } |
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528 | } |
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529 | ?> |
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